{"id":"CVE-2026-24491","summary":"FreeRDP has a heap-use-after-free in video_timer","details":"FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, video_timer can send client notifications after the control channel is closed, dereferencing a freed callback and triggering a use after free. This vulnerability is fixed in 3.22.0.","aliases":["GHSA-4x6j-w49r-869g"],"modified":"2026-08-12T15:32:55.463936Z","published":"2026-02-09T18:13:44.302Z","related":["ALSA-2026:6340","ALSA-2026:6799","ALSA-2026:6918","SUSE-SU-2026:0621-1","SUSE-SU-2026:0649-1","SUSE-SU-2026:0683-1","SUSE-SU-2026:0762-1","SUSE-SU-2026:0763-1","SUSE-SU-2026:0902-1","SUSE-SU-2026:0933-1","SUSE-SU-2026:0968-1","SUSE-SU-2026:0969-1","SUSE-SU-2026:1398-1","openSUSE-SU-2026:10132-1","openSUSE-SU-2026:10243-1","openSUSE-SU-2026:20320-1","openSUSE-SU-2026:20339-1","openSUSE-SU-2026:20632-1"],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-416"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24491.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24491.json"},{"type":"ADVISORY","url":"https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4x6j-w49r-869g"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24491"},{"type":"FIX","url":"https://github.com/FreeRDP/FreeRDP/commit/e02e052f6692550e539d10f99de9c35a23492db2"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/freerdp/freerdp","events":[{"introduced":"0"},{"fixed":"e3ef4c71138f76516299cb3637d2d0c59b2a3737"},{"fixed":"e02e052f6692550e539d10f99de9c35a23492db2"}],"database_specific":{"cpe":"cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"3.22.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["3.5.1","3.5.0","3.4.0","3.3.0","3.2.0","3.1.0","3.0.0","3.0.0-rc0","3.0.0-beta4","3.0.0-beta3","3.0.0-beta2","3.0.0-beta1","2.0.0","2.0.0-rc4","2.0.0-rc3","2.0.0-rc2","2.0.0-rc1","2.0.0-rc0","2.0.0-beta1+android11","2.0.0-beta1+android10","1.2.0-beta1+android9","1.2.0-beta1+android7","1.1.0-beta+2013071101","1.1.0-beta1+ios4","1.1.0-beta1+android5","1.1.0-beta1+android4","1.1.0-beta1+ios3","1.1.0-beta1+ios2","1.1.0-beta1+android3","1.1.0-beta1+android2","1.1.0-beta1+ios1","1.1.0-beta1","1.0.1","1.0.0","1.0-beta5","1.0-beta4","1.0-beta2","1.0-beta1"],"database_specific":{"vanir_signatures_modified":"2026-08-12T15:32:55Z","vanir_signatures":[{"source":"https://github.com/freerdp/freerdp/commit/e02e052f6692550e539d10f99de9c35a23492db2","target":{"function":"dvcman_channel_close","file":"channels/drdynvc/client/drdynvc_main.c"},"deprecated":false,"digest":{"length":1340,"function_hash":"150447063475564808531401900353407225605"},"id":"CVE-2026-24491-068dd9c5","signature_type":"Function","signature_version":"v1"},{"source":"https://github.com/freerdp/freerdp/commit/e02e052f6692550e539d10f99de9c35a23492db2","target":{"file":"channels/drdynvc/client/drdynvc_main.c"},"deprecated":false,"digest":{"line_hashes":["19085630077178139754189507018731019505","130932447383552362843890162708195565560","5083833008545266748929200372956606617","154386547398197987043670474083181185230","257135706858272507437651268612105593791","123189337732039713615434728059967356360","197933030425391664242631355155026119607","107208268041102050855248704935252035725","204233901409492023643686250543053676405","189455268364164066581566161466170593526","125053366832890905343029810232994575217","121813034594507783012956143508703911262","172170180069735042953511859242377234107","143920818290204756445860968991829411894","198697218770388348292977964493595301396","77203012685898765496484837077219981960","292068621348264313998452081978466995086","177846677568628819446641479928813024151"],"threshold":0.9},"id":"CVE-2026-24491-2591c3a8","signature_type":"Line","signature_version":"v1"},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/freerdp/freerdp/commit/e02e052f6692550e539d10f99de9c35a23492db2","target":{"file":"channels/drdynvc/client/drdynvc_main.c","function":"dvcman_open_channel"},"deprecated":false,"digest":{"function_hash":"259016052461973279009365564504169604615","length":546},"id":"CVE-2026-24491-be80b1cd"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24491.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P"}]}